We remove the ceiling lamp for interior lighting for replacement or when replacing the upholstery of the ceiling.
Disconnect the wire terminal from the "negative" terminal of the battery.
Using a screwdriver, pry off the diffuser of the ceiling..
... and remove the diffuser.
We take out the interior lighting lamp and replace it with a new C10W lamp.
To remove the cover..
... with a Phillips screwdriver, unscrew the two screws securing the ceiling.
We take out the wire blocks from the latch on the cover housing.
Using a thin screwdriver, pry off the edge of the dome wire block..
... and, having disconnected the block of wires of the ceiling from the block of the wiring harness, remove the ceiling.
Install the interior light in reverse order.